diff options
Diffstat (limited to 'REORG.TODO/nptl_db/td_thr_set_event.c')
| -rw-r--r-- | REORG.TODO/nptl_db/td_thr_set_event.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/REORG.TODO/nptl_db/td_thr_set_event.c b/REORG.TODO/nptl_db/td_thr_set_event.c new file mode 100644 index 0000000000..9be09058cb --- /dev/null +++ b/REORG.TODO/nptl_db/td_thr_set_event.c @@ -0,0 +1,75 @@ +/* Enable specific event for thread. + Copyright (C) 1999-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stddef.h> +#include <stdint.h> + +#include "thread_dbP.h" + + +td_err_e +td_thr_set_event (const td_thrhandle_t *th, td_thr_events_t *event) +{ + td_err_e err; + psaddr_t eventmask; + void *copy; + + LOG ("td_thr_set_event"); + + /* Fetch the old event mask from the inferior and modify it in place. */ + err = DB_GET_FIELD_ADDRESS (eventmask, th->th_ta_p, + th->th_unique, pthread, eventbuf_eventmask, 0); + if (err == TD_OK) + err = DB_GET_STRUCT (copy, th->th_ta_p, eventmask, td_thr_events_t); + if (err == TD_OK) + { + uint32_t idx; + for (idx = 0; idx < TD_EVENTSIZE; ++idx) + { + psaddr_t word; + uint32_t mask; + err = DB_GET_FIELD_LOCAL (word, th->th_ta_p, copy, + td_thr_events_t, event_bits, idx); + if (err != TD_OK) + break; + mask = (uintptr_t) word; + mask |= event->event_bits[idx]; + word = (psaddr_t) (uintptr_t) mask; + err = DB_PUT_FIELD_LOCAL (th->th_ta_p, copy, + td_thr_events_t, event_bits, idx, word); + if (err != TD_OK) + break; + } + if (err == TD_NOAPLIC) + { + err = TD_OK; + while (idx < TD_EVENTSIZE) + if (event->event_bits[idx++] != 0) + { + err = TD_NOEVENT; + break; + } + } + if (err == TD_OK) + /* Now write it back to the inferior. */ + err = DB_PUT_STRUCT (th->th_ta_p, eventmask, td_thr_events_t, copy); + } + + return err; +} |